ARM: sunxi: Convert pinctrl nodes to generic bindings

Now that we can handle the generic pinctrl bindings, convert our DT to it.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/sun4i-a10-pcduino2.dts

@@ -57,8 +57,8 @@
 
 &pio {
 	usb2_vbus_pin_pcduino2: usb2_vbus_pin@0 {
-		allwinner,pins = "PD2";
-		allwinner,function = "gpio_out";
+		pins = "PD2";
+		function = "gpio_out";
 	};
 };